{"id":3238455,"url":"https://alion.io/job/caci-international-senior-firewall-engineer-2","title":"Senior Firewall Engineer","company":{"id":58481,"name":"CACI International","domain":"caci.com","url":"https://alion.io/company/caci-international","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"D","score":47,"open_postings":426,"ghost_share":0.634,"stale_share":0.146,"repost_share":0.754,"time_to_fill_p50_days":48,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Springfield, United States","Saint Louis, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75200,"max":158100,"currency":"USD","period":"year","gross":null,"usd_annual":158100},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"VMWare","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-08-12T00:00:00Z","employer_posted_date":"2026-08-12","last_verified_at":"2026-10-27T07:15:44Z","board_verified":true,"closed_at":null,"days_open":76,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":76},"description":"Job Title: Senior Firewall EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity\nAs a member of the TCS Network Security Services (NSS) team, you will work with both corporate and customer leadership to research, analyze, and implement enterprise-wide network security solutions/capabilities/enhancements to support customer business/mission goals and objectives.\n Responsibilities\nAssist with design, analysis, testing, and implementation of state-of-the-art secure network architectures.\nConduct risk assessment and provide design recommendations.\nManage WAN, LAN, CAN, and remote network security as well as incident and problem management.\nOversee security infrastructure sustainment, maintenance, and advanced configuration. (firewalls, F5 load balancers, web gateways, mail gateways, IDS, and management tools).\nOversee the reporting, documentation, and investigation of all security-related incidents; lead the development and implementation of corrective measures.\nDevelop and execute standard operating procedures (SOPs) for security tools.\nEvaluate and report on new network Security technologies to enhance the capabilities of the network.\nAct as liaison to the contract and customer management, and government Designated Approving Authority (DAA) regarding network security status, policies, and procedures.\nQualifications\nRequired:\nActive TS/SCI (Post-hire: Must be able to successfully pass/maintain a U.S. Government Polygraph) • BA/BS Degree in a related field (IT, Cybersecurity, and other related fields) Additional experience may be considered in lieu of a degree\nMinimum 5 years of related technical experience in Network Security with large-scale enterprise/global networks in a high-paced, diverse environment. • DoD 8140.01 and DoD 8570.01-M IAT Level II compliant certification (current) • Post-hire: Must be able to successfully obtain/maintain CSSP Infrastructure Support certification within 120 days of start date • Experience with Firewalls (e.g. Palo Alto, Juniper, Cisco, etc.) • Experience with Routers/Switches (e.g. Juniper, Cisco, etc.) • Experience with Intrusion Detection Systems/IDS Products (e.g. FireEye, F5 Load Balancer, Cisco FTD, etc.) • Experience with Unix, RHELS OS, Windows Enterprise AD, VMware\n-What You Can Expect:\nA culture of integrity.\nAt CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.\nAn environment of trust.\nCACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.\nA focus on continuous growth.\nTogether, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.\nPay Range:\nThere are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.\nSince this position can be worked in more than one location, the range shown is the national average for the position.\nThe proposed salary range for this position is:\n$75,200-$158,100CACI is an Equal Opportunity Employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.","description_format":"text","description_chars":4471,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible time off"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Data & Analytics","Military","National Security"],"lifecycle":[{"event":"open","at":"2026-10-25T14:04:37Z"}],"visa":[],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.587,"p_room":0.36,"age_days":76,"expected_fill_days":48,"reasons":["conf:3","stale_co","urgency","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":158100,"is_top_pay":true},"html_url":"https://alion.io/job/caci-international-senior-firewall-engineer-2","json_url":"https://alion.io/job/caci-international-senior-firewall-engineer-2.json","meta":{"generated_at":"2026-10-27T18:58:19Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":9396,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":58481},"rest":"https://alion.io/mcp/rest/get_company?id=58481"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcaci-international-senior-firewall-engineer-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcaci-international-senior-firewall-engineer-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcaci-international-senior-firewall-engineer-2"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/caci-international-senior-firewall-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-senior-firewall-engineer-2"}]}